- Home
- Resources
Payment guides and tools
Free calculators and plain English guides for businesses waiting to be paid, alongside the payment records of 10,302 large UK companies. Use them, link to them and embed the calculators on your own site.
Calculators
- Late payment interest calculatorStatutory interest, the daily rate and fixed compensation on a late business invoice, with wording to paste into a letter. Embeddable.
- Retention release calculatorHow much retention is held on a construction contract, when each part should come back, and what the wait costs. Embeddable.
Guides
- Construction Act payment rules explainedPayment notices, pay less and default notices, the ban on pay when paid, suspension and adjudication, with a worked timeline.
- Retention bonds explainedWhat a retention is, how a bond replaces the cash held back, and who pays for it.
- Supply chain finance and extended payment termsHow long terms and early payment schemes work, what Carillion showed, and what the payment reports say.
- A fair payment charterWhat good payment practice looks like beyond the legal minimum.
The data
Slowest payers · Fastest payers · Most invoices paid late · Biggest improvers · Getting slower · Construction payers · Retention clauses · Latest filings · Companies by area · For journalists
Trade bodies, advisers and journalists are welcome to link to any of these pages. Each guide and calculator has a ready-made citation at the foot of the page. The guides are general information, not legal advice.